The Digital Camera Resource Site
The Digital Photography Review
Imaging-Resource.com
Photo.net
PopPhoto.com
Photography Review.com
Steve's Digi-cams Reviews, News, & Info

Minnig Photography: michaelminnig.com
Snowbirdpix.com: Edie Certalic

The Photography of David Bailey
The Nature Photography of Steve Bloom
Black Horse Studio
The Landscape Photography Christopher Burkett
The Photography of George Cairns
The Landscape Photography of Joe Cornish
The Landscape Photography of Jack Dykinga
The Photography of Martin Evening
Flowers & Butterflies by Lorenzo La Verde
The Amazing Photography of Tall Ships by Max
The Photography of Steve McCurry
The Photography of Melissa Milligan
The Fashion Photography of Daniel Klajmic
The Beautiful Western Photography of David R. Stoecklein
The Landscape Photography of Richard Hamilton Smith
The Photography of Tom Stoddart
The Landscape Photography of Hardie Truesdale
The Photography of Raymond VanderWoning

iStockphoto.com
GettyImages.com
JupiterImages.com
Fotos Search Stock Image Archive
Stock Photography of Tall Ships by Max
Shutterstock.com
CanStockPhoto.com

American Society of Media Photographers
International Freelance Photographers Organization
North American Nature Photography Association
Northeast Nature Photographers
Professional Photographers of America

Canon USA
Contax
Ebony large and medium-format professional view cameras
Hasselblad
Kodak
Konica-Minolta
Kyocera Imaging - inclusive of Yashica and Contax cameras
Leica
Mamiya - Medium format cameras
Nikon USA
Olympus
Pentax Worldwide
Sealife Underwater Cameras
Sigma USA
Tamron Lenses - inclusive of Bronica Medium format cameras

Hoya Filters
Schneider Optics & B+W Filters
MichaelTapesDesign - LensAlign: Lens focus calibration, WhiBal: Gray cards
TOCAD America (high-performance battery packs)
Lowepro - packs, bags, cases...
Vanguard - a global manufacturer of tripods, camera bags and cases, shooting sticks...
M-Rock.com - camera bags & cases
THK Photo - U.S. distributor for Tokina, Kenko, & HOYA (converter lenses, filters, tripods)